refactor: use assertion utility

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---

Author: kgryte

lib/node_modules/@stdlib/ndarray/base/broadcast-scalar/lib/main.js

@@ -20,6 +20,7 @@
 
 // MODULES //
 
+var isNumber = require( '@stdlib/assert/is-number' ).isPrimitive;
 var isAccessorArray = require( '@stdlib/array/base/assert/is-accessor-array' );
 var accessorSetter = require( '@stdlib/array/base/accessor-setter' );
 var setter = require( '@stdlib/array/base/setter' );
@@ -62,7 +63,7 @@ function broadcastScalar( value, dtype, shape, order ) {
 	if ( buf === null ) {
 		throw new TypeError( format( 'invalid argument. Second argument must be a recognized data type. Value: `%s`.', dtype ) );
 	}
-	if ( /^complex/.test( dtype ) && typeof value === 'number' ) {
+	if ( /^complex/.test( dtype ) && isNumber( value ) ) {
 		value = [ value, 0.0 ]; // note: we're assuming that the ComplexXXArray setter accepts an array of interleaved real and imaginary components
 	}
 	if ( isAccessorArray( buf ) ) {